Product Description

Sintered Planetary Gear for Automobile Starters and Vehicle Engines

Product Name High precision gear  by powder metallurgy
Material Iron powder, alloy powder,precious metal powder
Technology Sintering – Powder Metallurgy
  Certificate ISO9001/TS16949
Surface Treatment High frequency quenching, oil impregnation,CNC,vacuum cleaning,polishing,
Apperance No crumbling, cracks, exfoliation, voids, metal pitting and other defects
 
Process Flow
Powder mixing – Forming – Sintering – Oil impregnation – Sizing -Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – Packing
Application Motorcycle parts, auto parts, Power Tools parts, Motor parts, electric Bicycle,

 

Why Powdered Metals?

Significant cost savings.
Create complex or unique shapes.
No or minimal waste during production.
High quality finished products.
Strength of materials.

Company Profile
JINGSHI established in 2007                                               
Manufacturer & Exporter                             
Exacting in producing powder metallurgy gears and parts    
Passed ISO/TS16949 Quality Certificate                  
Advanced Equipment                                
Numbers senior R & D engineers and Skilled operators      
Precise Examination Instruments.                        
Strict Quality Control                                 
With the “More diversity, More superior, More professional ” business purposes, we are committed to establish long-term friendship and CHINAMFG relationship with domestic and international customers to create a bright future .

Certification

Just contact with us with 2D or 3D drawing to start our cooperation!

Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Sintered Gear
Toothed Portion Shape: Spur Gear
Material: Iron Alloy
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Customization:
Available

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automobile gear

What are the advantages and disadvantages of automatic and manual transmissions?

Automatic and manual transmissions each have their own set of advantages and disadvantages. Here’s a detailed explanation:

Automatic Transmissions:

Advantages:

  • Ease of Use: Automatic transmissions are easier to operate since they do not require the driver to manually engage gears. This makes them more convenient, especially in heavy traffic or during long commutes.
  • Smooth Shifting: Automatic transmissions provide smooth and seamless gear shifts, as the shifting process is controlled by the vehicle’s computer system. This results in a comfortable driving experience.
  • Improved Fuel Efficiency: Modern automatic transmissions often feature advanced technologies such as continuously variable transmissions (CVT) or dual-clutch transmissions (DCT), which can optimize fuel efficiency by selecting the most appropriate gear ratio for the driving conditions.
  • Reduced Driver Fatigue: With automatic transmissions, drivers can focus more on the road and other aspects of driving, as they don’t need to manually shift gears. This can reduce driver fatigue, especially during long journeys.

Disadvantages:

  • Higher Cost: Automatic transmissions tend to be more expensive to manufacture and repair compared to manual transmissions, which can result in higher vehicle purchase prices and maintenance costs.
  • Less Control: Some driving enthusiasts prefer manual transmissions because they offer more control over gear selection, allowing for a more engaging driving experience. Automatic transmissions, on the other hand, limit the driver’s ability to choose specific gear ratios.
  • Lower Power Transfer Efficiency: Automatic transmissions can have slightly lower power transfer efficiency compared to manual transmissions, which means that some engine power is lost during the transmission of power from the engine to the wheels.

Manual Transmissions:

Advantages:

  • Greater Control: Manual transmissions provide the driver with full control over gear selection, allowing for precise shifts and the ability to match engine RPM to driving conditions. This control can enhance the driving experience, especially for those who enjoy a more engaged and sporty driving style.
  • Improved Power Transfer Efficiency: Manual transmissions generally have higher power transfer efficiency compared to automatic transmissions. This means that a greater percentage of engine power reaches the wheels, resulting in better acceleration and responsiveness.
  • Lower Maintenance Costs: Manual transmissions are typically less complex and have fewer components compared to automatic transmissions. Consequently, they often require less maintenance and can be more cost-effective to repair.

Disadvantages:

  • Requires Skill: Operating a manual transmission requires learning how to engage gears, coordinate clutch and throttle control, and shift smoothly. This can be challenging for drivers who are not accustomed to manual transmissions or prefer a more relaxed driving experience.
  • Increased Physical Effort: Maneuvering a clutch pedal in stop-and-go traffic or during long drives can be physically tiring, especially in situations that require frequent gear changes.
  • Steeper Learning Curve: Learning to drive a manual transmission vehicle effectively takes time and practice. It requires developing a feel for the clutch engagement point and mastering the coordination between the clutch, gear lever, and accelerator pedal.

Ultimately, the choice between automatic and manual transmissions depends on personal preference, driving conditions, and driving style. Automatic transmissions offer convenience and ease of use, while manual transmissions provide greater control and a more engaging driving experience.

automobile gear

What is a continuously variable transmission (CVT) and how does it work in cars?

A continuously variable transmission (CVT) is a type of automatic transmission that provides an infinite number of gear ratios within a specific range. Here’s a detailed explanation of how it works:

In a traditional transmission, gears of different sizes are used to achieve different gear ratios. These gears have fixed ratios, and the transmission shifts between them to adjust the speed and torque output. In contrast, a CVT uses a different mechanism to vary the gear ratios.

1. Pulleys and Belt/Chain System:

A CVT consists of two pulleys connected by a metal belt or a chain. Each pulley has two halves that can move closer together or farther apart. One pulley is connected to the engine, and the other is connected to the wheels.

2. Variable Pulley Diameter:

The pulleys in a CVT have variable diameters. As the pulley halves move closer together, the effective diameter decreases, and as they move farther apart, the effective diameter increases. This adjustment of the pulley diameters allows for continuous variation of the gear ratio.

3. Belt/Chain Movement:

The metal belt or chain runs between the two pulleys. When the effective diameter of one pulley decreases, the belt or chain moves towards the larger diameter on the other pulley. As a result, the contact point on the pulleys changes, altering the effective gear ratio.

4. Hydraulic or Electronic Control:

To control the movement of the pulleys, a CVT uses a hydraulic or electronic control system. This system monitors various factors, such as vehicle speed, engine load, throttle input, and acceleration demands, to determine the optimal gear ratio. It then adjusts the position of the pulley halves accordingly.

5. Seamless Gear Ratio Changes:

Due to the continuous variation of the pulley diameters, a CVT provides seamless gear ratio changes. It can continuously adjust the gear ratio to keep the engine operating at its most efficient RPM for a given driving condition. This flexibility allows the engine to deliver power more effectively and improves fuel efficiency.

6. “Step” or “Shift” Modes:

Some CVTs offer “step” or “shift” modes to simulate traditional gear shifting. In these modes, the CVT may have predefined ratios or “virtual” gears that mimic the feel of gear changes. This can provide a more familiar driving experience for those accustomed to traditional automatic transmissions.

CVTs are known for their smoothness and fuel efficiency. By continuously adjusting the gear ratio to match the engine’s power output and the driving conditions, a CVT helps optimize fuel consumption. They are commonly found in smaller vehicles and hybrid cars.

However, it’s worth noting that CVTs may have a different driving feel compared to traditional transmissions, as the engine RPM can remain relatively constant during acceleration. Some drivers may prefer the stepped gear changes of conventional transmissions for a more engaging driving experience.

“`automobile gear

What is an automobile gear and how does it function in a vehicle?

An automobile gear is a mechanical component used in vehicles to transmit power from the engine to the wheels, allowing the vehicle to move forward or backward at different speeds. Here’s a detailed explanation of its function:

In a vehicle, the engine produces rotational power or torque. This power needs to be transmitted to the wheels in a controlled manner to enable the vehicle to move. The automobile gear system performs this task.

The primary function of the automobile gear is to change the gear ratio between the engine and the wheels, thereby adjusting the speed and torque output. It allows the engine to operate efficiently across a wide range of vehicle speeds and load conditions.

The most common type of automobile gear system is the manual transmission, consisting of multiple gears arranged in a specific sequence. The driver selects the appropriate gear based on the desired speed and road conditions.

When the driver shifts gears, the gearshift mechanism engages a specific gear combination. Each gear has a different gear ratio, which determines the speed and torque output. The lower gears provide higher torque output but lower vehicle speed, while the higher gears allow for higher speed but lower torque.

When starting the vehicle from a standstill, the driver typically engages the first gear, which provides the highest torque output. As the vehicle gains speed, the driver shifts to higher gears to increase the speed while maintaining optimal engine performance.

Inside the transmission, the gears are mounted on shafts and connected to the engine and the wheels through a series of gears, shafts, and clutches. When a gear is engaged, power is transmitted from the engine through the input shaft, and the corresponding output shaft connected to the wheels rotates at a speed determined by the gear ratio.

The gear ratio is the ratio of the number of teeth on the driving gear (connected to the engine) to the number of teeth on the driven gear (connected to the wheels). By changing the gear ratio, the speed of the wheels relative to the engine speed can be adjusted.

In addition to manual transmissions, there are also automatic transmissions and continuously variable transmissions (CVTs) used in vehicles. These transmission types use different mechanisms, such as planetary gearsets or pulley systems, to achieve gear ratio changes automatically without direct driver intervention.

Overall, the automobile gear system plays a crucial role in transferring power from the engine to the wheels, allowing the vehicle to move at different speeds. It enables the driver to control the vehicle’s acceleration, speed, and overall performance by selecting the appropriate gear ratio based on the driving conditions.

China Hot selling Sintered Planetary Gear for Automobile Starters and Vehicle Engines gear cycleChina Hot selling Sintered Planetary Gear for Automobile Starters and Vehicle Engines gear cycle
editor by CX 2023-10-31